diff --git a/app/src/main/assets/translators.json b/app/src/main/assets/translators.json
index 283682a9a..6f76245c1 100644
--- a/app/src/main/assets/translators.json
+++ b/app/src/main/assets/translators.json
@@ -1 +1 @@
-{"ar_SA":["abdunnasir"],"bg":["dpa_transifex"],"ca":["Kintu","jordibrus","zagur"],"cs":["pavelb","tomas.odehnal"],"da":["Tntdruid_","knutztar","mjjzf","twikedk"],"de":["Atalanttore","TheName","Wyrrrd","YvanM","amandablue","anestiskaci","corppneq","crit12","hammaschlach","maxkl","nicolas_git","owncube"],"el":["KristinaQejvanaj","anestiskaci","diamond_gr"],"es":["Ark74","Elhea","GranPC","aluaces","jcvielma","plaguna","polkhas","xphnx"],"eu":["Osoitz","Thadah","cockeredradiation"],"fa":["Numb","ahangarha","amiraliakbari","joojoojoo","maryambehzi","mtashackori","taranehsaei"],"fr":["AlainR","Amadeen","Floflr","JorisBodin","Llorc","LoiX07","Novick","Poussinou","Thecross","YvanM","alkino2","boutil","callmemagnus","chrcha","grenatrad","jokx","mathieugfortin","paullbn","vincen","ÉricB."],"fr_FR":["Llorc","Poussinou","chrcha"],"gl":["aluaces","pikamoku"],"hu":["Roshek","jtg"],"it":["Damtux","FranzMari","ed0","malaerba","noccio","nwandy","rickyroo","technezio"],"it_IT":["malaerba"],"ja":["Naofumi","yanorei32"],"nb_NO":["elonus"],"nl":["XtremeNova","davtemp","dehart","erikhubers","frankyboy1963","toonvangerwen"],"pl":["TORminator","TheName","Valdnet","gsz","mg6","oskarjakiela"],"pt":["amalvarenga","wanderlei.huttel"],"pt_BR":["wanderlei.huttel"],"ru":["aigoshin","anm","ashed","astalavister","nick.savin","vaddd"],"sk_SK":["brango67","tiborepcek"],"sl_SI":["MrLaaky","uroszor"],"sr":["daimonion"],"sv":["Mikaelb","campbelldavid"],"szl":["chlodny"],"tr_TR":["ooguz","pultars"],"uk":["androsua","olexn","twixi007"],"uk_UA":["astalavister"],"zh_CN":["anolir","jxj2zzz79pfp9bpo","linuxbckp","mofitt2016","oksjd","phy","spice2wolf"],"zh_TW":["linuxbckp","mofitt2016","phy","waiabsfabuloushk"]}
+{"ar_SA":["abdunnasir"],"bg":["dpa_transifex"],"ca":["Kintu","jordibrus","zagur"],"cs":["pavelb","tomas.odehnal"],"da":["Tntdruid_","knutztar","mjjzf","twikedk"],"de":["Atalanttore","TheName","Wyrrrd","YvanM","amandablue","anestiskaci","corppneq","crit12","hammaschlach","maxkl","nicolas_git","owncube"],"el":["KristinaQejvanaj","anestiskaci","diamond_gr"],"es":["Ark74","Elhea","GranPC","aluaces","jcvielma","plaguna","polkhas","xphnx"],"eu":["Osoitz","Thadah","cockeredradiation"],"fa":["Numb","ahangarha","amiraliakbari","joojoojoo","maryambehzi","mtashackori","taranehsaei"],"fr":["AlainR","Amadeen","Floflr","JorisBodin","Llorc","LoiX07","Novick","Poussinou","Thecross","YvanM","alkino2","boutil","callmemagnus","chrcha","grenatrad","jokx","mathieugfortin","paullbn","vincen","ÉricB."],"fr_FR":["Llorc","Poussinou","chrcha"],"gl":["aluaces","pikamoku"],"hu":["Roshek","infeeeee","jtg"],"it":["Damtux","FranzMari","ed0","malaerba","noccio","nwandy","rickyroo","technezio"],"it_IT":["malaerba"],"ja":["Naofumi","yanorei32"],"nb_NO":["elonus"],"nl":["XtremeNova","davtemp","dehart","erikhubers","frankyboy1963"],"pl":["TORminator","TheName","Valdnet","gsz","mg6","oskarjakiela"],"pt":["amalvarenga","wanderlei.huttel"],"pt_BR":["wanderlei.huttel"],"ru":["aigoshin","anm","ashed","astalavister","nick.savin","vaddd"],"sk_SK":["brango67","tiborepcek"],"sl_SI":["MrLaaky","uroszor"],"sr":["daimonion"],"sv":["Mikaelb","campbelldavid"],"szl":["chlodny"],"tr_TR":["ooguz","pultars"],"uk":["androsua","olexn","twixi007"],"uk_UA":["astalavister"],"zh_CN":["anolir","jxj2zzz79pfp9bpo","linuxbckp","mofitt2016","oksjd","phy","spice2wolf"],"zh_TW":["linuxbckp","mofitt2016","phy","waiabsfabuloushk"]}
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index c60f284ab..55d9bb38e 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -27,8 +27,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">لا يمكن إنشاء ملف سجل</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">فتح درج التنقل</string>
-  <string name="navigation_drawer_close">إغلاق درج التنقل</string>
   <string name="navigation_drawer_subtitle">مهايئ مزامنة CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">حول / الترخيص</string>
   <string name="navigation_drawer_beta_feedback">انطباعات المستخدمين عن البيتا</string>
diff --git a/app/src/main/res/values-bg/strings.xml b/app/src/main/res/values-bg/strings.xml
index e85a8ba6d..221f7548a 100644
--- a/app/src/main/res/values-bg/strings.xml
+++ b/app/src/main/res/values-bg/strings.xml
@@ -108,8 +108,6 @@
   <string name="logging_notification_view_share">Преглед/споделяне</string>
   <string name="logging_notification_disable">Изключване</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Отваря менюто</string>
-  <string name="navigation_drawer_close">Затваря менюто</string>
   <string name="navigation_drawer_subtitle">Адаптор за синхронизиране на CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Относно / лиценз</string>
   <string name="navigation_drawer_beta_feedback">Обратна връзка към бета</string>
diff --git a/app/src/main/res/values-ca/strings.xml b/app/src/main/res/values-ca/strings.xml
index aca09e32a..6cd7c392c 100644
--- a/app/src/main/res/values-ca/strings.xml
+++ b/app/src/main/res/values-ca/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Veure/compartir</string>
   <string name="logging_notification_disable">Inhabilita</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Obre el calaix de navegació</string>
-  <string name="navigation_drawer_close">Tanca el calaix de navegació</string>
   <string name="navigation_drawer_subtitle">Adaptador de sincronització CalDAV / CardDAV</string>
   <string name="navigation_drawer_about">Quant a/llicència</string>
   <string name="navigation_drawer_beta_feedback">Retroacció de la Beta</string>
diff --git a/app/src/main/res/values-cs/strings.xml b/app/src/main/res/values-cs/strings.xml
index ad8529f5e..c63c97b9d 100644
--- a/app/src/main/res/values-cs/strings.xml
+++ b/app/src/main/res/values-cs/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Zobrazit/sdílet</string>
   <string name="logging_notification_disable">Vypnout</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Otevřít panel navigace</string>
-  <string name="navigation_drawer_close">Zavřít panel navigace</string>
   <string name="navigation_drawer_subtitle">Adaptér synchronizace CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">O aplikaci / Licence</string>
   <string name="navigation_drawer_beta_feedback">Zpětná vazba k vývojové verzi</string>
diff --git a/app/src/main/res/values-da/strings.xml b/app/src/main/res/values-da/strings.xml
index ec7dcb5ae..464583c33 100644
--- a/app/src/main/res/values-da/strings.xml
+++ b/app/src/main/res/values-da/strings.xml
@@ -108,8 +108,6 @@
   <string name="logging_notification_view_share">Vis/del</string>
   <string name="logging_notification_disable">Deaktivere</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Åbne navigationsvindue</string>
-  <string name="navigation_drawer_close">Luk navigationsvindue</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV synkroniseringsadapter</string>
   <string name="navigation_drawer_about">Om / licens</string>
   <string name="navigation_drawer_beta_feedback">Beta tilbagemelding</string>
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 4a372d04f..8d1eed7f9 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Anzeigen/teilen</string>
   <string name="logging_notification_disable">Deaktivieren</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Hauptmenü anzeigen</string>
-  <string name="navigation_drawer_close">Hauptmenü schließen</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV-Sync-Adapter</string>
   <string name="navigation_drawer_about">Über / Lizenz</string>
   <string name="navigation_drawer_beta_feedback">Beta-Rückmeldung</string>
@@ -133,6 +131,8 @@
   <string name="account_list_manage_connections">Verbindungen steuern</string>
   <string name="account_list_datasaver_enabled">Datensparen aktiviert. Die Hintergrundsynchronisierung ist eingeschränkt.</string>
   <string name="account_list_manage_datasaver">Datensparen verwalten</string>
+  <string name="account_list_battery_saver_enabled">Akkusparen aktiviert. Die Synchronisierung kann eingeschränkt sein.</string>
+  <string name="account_list_manage_battery_saver">Akkusparen verwalten</string>
   <string name="account_list_low_storage">Wenig Speicherplatz. Android wird lokale Änderungen nicht sofort synchronisieren, sondern bei der nächsten regulären Synchronisierung.</string>
   <string name="account_list_manage_storage">Speicherplatz verwalten</string>
   <string name="account_list_empty">Herzlich willkommen!\n\nSie können jetzt ein CalDAV/CardDAV-Konto hinzufügen.</string>
@@ -418,6 +418,7 @@
   <string name="webdav_add_mount_display_name">Anzeigename</string>
   <string name="webdav_add_mount_url">WebDAV-Adresse</string>
   <string name="webdav_add_mount_url_invalid">Ungültige Adresse</string>
+  <string name="webdav_add_mount_authentication">Authentifizierung (optional)</string>
   <string name="webdav_add_mount_username">Anmeldename</string>
   <string name="webdav_add_mount_password">Passwort</string>
   <string name="webdav_add_mount_add">Einhängen</string>
diff --git a/app/src/main/res/values-el/strings.xml b/app/src/main/res/values-el/strings.xml
index bd565965e..4d795c8a8 100644
--- a/app/src/main/res/values-el/strings.xml
+++ b/app/src/main/res/values-el/strings.xml
@@ -88,8 +88,6 @@
   <string name="logging_notification_view_share">Προβολή/διαμοιρασμός</string>
   <string name="logging_notification_disable">Απενεργοποίηση</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Άνοιγμα συρταριού πλοήγησης</string>
-  <string name="navigation_drawer_close">Κλείσιμο συρταριού πλοήγησης</string>
   <string name="navigation_drawer_subtitle">Προσαρμογέας συγχρονισμού CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Περί / άδεια χρήσης</string>
   <string name="navigation_drawer_beta_feedback">Ανατροφοδότηση beta</string>
diff --git a/app/src/main/res/values-en-rGB/strings.xml b/app/src/main/res/values-en-rGB/strings.xml
index b97cc8a47..ef1da668b 100644
--- a/app/src/main/res/values-en-rGB/strings.xml
+++ b/app/src/main/res/values-en-rGB/strings.xml
@@ -108,8 +108,6 @@
   <string name="logging_notification_view_share">View/share</string>
   <string name="logging_notification_disable">Disable</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Open navigation drawer</string>
-  <string name="navigation_drawer_close">Close navigation drawer</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Sync Adapter</string>
   <string name="navigation_drawer_about">About / License</string>
   <string name="navigation_drawer_beta_feedback">Beta feedback</string>
diff --git a/app/src/main/res/values-es/strings.xml b/app/src/main/res/values-es/strings.xml
index 748d8fe6b..a4ada8800 100644
--- a/app/src/main/res/values-es/strings.xml
+++ b/app/src/main/res/values-es/strings.xml
@@ -103,8 +103,6 @@
   <string name="logging_notification_view_share">Ver/compartir</string>
   <string name="logging_notification_disable">Desactivar</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Abrir panel de navegación</string>
-  <string name="navigation_drawer_close">Cerrar panel de navegación</string>
   <string name="navigation_drawer_subtitle">Adaptador de sincronización CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Acerca de / Licencia</string>
   <string name="navigation_drawer_beta_feedback">Retroalimentación Beta</string>
diff --git a/app/src/main/res/values-eu/strings.xml b/app/src/main/res/values-eu/strings.xml
index b59752a73..1e91ee030 100644
--- a/app/src/main/res/values-eu/strings.xml
+++ b/app/src/main/res/values-eu/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Ikusi/partekatu</string>
   <string name="logging_notification_disable">Desgaitu</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Ireki nabigatzeko menu lerrakorra </string>
-  <string name="navigation_drawer_close">Itxi nabigatzeko menu lerrakorra</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV sinkronizazio moldagailua</string>
   <string name="navigation_drawer_about">Honi buruz / Lizentzia</string>
   <string name="navigation_drawer_beta_feedback">Beta iritzia</string>
diff --git a/app/src/main/res/values-fa/strings.xml b/app/src/main/res/values-fa/strings.xml
index 8822a4978..634c72619 100644
--- a/app/src/main/res/values-fa/strings.xml
+++ b/app/src/main/res/values-fa/strings.xml
@@ -107,8 +107,6 @@
   <string name="logging_notification_view_share">مشاهده / اشتراک گذاری</string>
   <string name="logging_notification_disable">غیر فعال</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">منوی ناوبری را باز کنید</string>
-  <string name="navigation_drawer_close">منوی ناوبری را ببندید</string>
   <string name="navigation_drawer_subtitle"> همگام سازی CalDAV / CardDAV</string>
   <string name="navigation_drawer_about">درباره / مجوز</string>
   <string name="navigation_drawer_beta_feedback">بازخورد بتا</string>
diff --git a/app/src/main/res/values-fr/strings.xml b/app/src/main/res/values-fr/strings.xml
index 3ba3202bd..19239c74d 100644
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@@ -108,8 +108,6 @@
   <string name="logging_notification_view_share">Voir/partager</string>
   <string name="logging_notification_disable">Désactiver</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Ouvrir le tiroir de navigation</string>
-  <string name="navigation_drawer_close">Fermer le tiroir de navigation</string>
   <string name="navigation_drawer_subtitle">Adaptateur de synchronisation CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">À propos / Licence</string>
   <string name="navigation_drawer_beta_feedback">Commentaire pour la version Beta</string>
diff --git a/app/src/main/res/values-gl/strings.xml b/app/src/main/res/values-gl/strings.xml
index 9d53d04ba..d88666655 100644
--- a/app/src/main/res/values-gl/strings.xml
+++ b/app/src/main/res/values-gl/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Ver/compartir</string>
   <string name="logging_notification_disable">Desactivar</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Abrir cadro de navegación</string>
-  <string name="navigation_drawer_close">Pechar cadro de navegación</string>
   <string name="navigation_drawer_subtitle">Adaptador de sincr. CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Acerca de / Licenza</string>
   <string name="navigation_drawer_beta_feedback">Comenta sobre a Beta</string>
@@ -133,6 +131,8 @@
   <string name="account_list_manage_connections">Xestionar conexións</string>
   <string name="account_list_datasaver_enabled">O aforro de datos está activado. A sincronización en segundo plano está restrinxida.</string>
   <string name="account_list_manage_datasaver">Xestionar aforro de datos</string>
+  <string name="account_list_battery_saver_enabled">Activado o aforrador de batería. A sincronización podería estar limitada.</string>
+  <string name="account_list_manage_battery_saver">Xestionar aforro da batería</string>
   <string name="account_list_low_storage">Queda pouco espazo de almacenaxe. Android non vai sincronizar os cambios locais inmediatamente, farao na próxima sincronización regular.</string>
   <string name="account_list_manage_storage">Xestionar almacenaxe</string>
   <string name="account_list_empty">Benvida a DAVx⁵!\n\nXa podes engadir unha conta CalDAV/CardDAV</string>
@@ -418,6 +418,7 @@
   <string name="webdav_add_mount_display_name">Nome mostrado</string>
   <string name="webdav_add_mount_url">URL WebDAV</string>
   <string name="webdav_add_mount_url_invalid">URL inválido</string>
+  <string name="webdav_add_mount_authentication">Autenticación (optativo)</string>
   <string name="webdav_add_mount_username">Nome de usuaria</string>
   <string name="webdav_add_mount_password">Contrasinal</string>
   <string name="webdav_add_mount_add">Engadir montaxe</string>
diff --git a/app/src/main/res/values-hr/strings.xml b/app/src/main/res/values-hr/strings.xml
index d3d4485f6..e0f9e8c5d 100644
--- a/app/src/main/res/values-hr/strings.xml
+++ b/app/src/main/res/values-hr/strings.xml
@@ -89,8 +89,6 @@
   <string name="logging_notification_view_share">Pregledaj/podijeli</string>
   <string name="logging_notification_disable">Onemogući</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Otvori navigacijski pretinac</string>
-  <string name="navigation_drawer_close">Zatvori navigacijski pretinac</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Sync Adapter</string>
   <string name="navigation_drawer_about">About / License</string>
   <string name="navigation_drawer_beta_feedback">Beta feedback</string>
diff --git a/app/src/main/res/values-hu/strings.xml b/app/src/main/res/values-hu/strings.xml
index 9927d45e7..b79c73682 100644
--- a/app/src/main/res/values-hu/strings.xml
+++ b/app/src/main/res/values-hu/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Nézet/megosztás</string>
   <string name="logging_notification_disable">Kikapcsol</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Navigációs fiók megnyitása</string>
-  <string name="navigation_drawer_close">Navigációs fiók lezárása</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV szinkronizációs adapter</string>
   <string name="navigation_drawer_about">Névjegy / Licenc</string>
   <string name="navigation_drawer_beta_feedback">Tesztelői visszajelzés</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 7042f8b11..de12b52cb 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -100,8 +100,6 @@
   <string name="logging_notification_view_share">Visualizza/condividi</string>
   <string name="logging_notification_disable">Disabilita</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Apri barra di navigazione</string>
-  <string name="navigation_drawer_close">Chiudi barra di navigazione</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV adattatore di sincronizzazione</string>
   <string name="navigation_drawer_about">Informazioni / Licenza</string>
   <string name="navigation_drawer_beta_feedback">Feedback sulla beta</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index d0fdc31e4..b0ed4a5f0 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">表示/共有</string>
   <string name="logging_notification_disable">無効にする</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">ナビゲーションドロワーを開く</string>
-  <string name="navigation_drawer_close">ナビゲーションドロワーを閉じる</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV 同期アダプター</string>
   <string name="navigation_drawer_about">アプリについて / ライセンス</string>
   <string name="navigation_drawer_beta_feedback">ベータフィードバック</string>
diff --git a/app/src/main/res/values-ko/strings.xml b/app/src/main/res/values-ko/strings.xml
index 9bd17ce2d..5d39755c8 100644
--- a/app/src/main/res/values-ko/strings.xml
+++ b/app/src/main/res/values-ko/strings.xml
@@ -101,8 +101,6 @@
   <string name="logging_notification_view_share">보기/공유</string>
   <string name="logging_notification_disable">사용 안함</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">탐색 창 열기</string>
-  <string name="navigation_drawer_close">탐색 창 닫기</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV 동기화 어댑터</string>
   <string name="navigation_drawer_about">관련 / 라이센스</string>
   <string name="navigation_drawer_beta_feedback">베타 피드백</string>
diff --git a/app/src/main/res/values-nb/strings.xml b/app/src/main/res/values-nb/strings.xml
index 86bd3f838..4d7e283f6 100644
--- a/app/src/main/res/values-nb/strings.xml
+++ b/app/src/main/res/values-nb/strings.xml
@@ -28,8 +28,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">Kan ikke opprette loggfil</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Åpne navigasjonsskuff</string>
-  <string name="navigation_drawer_close">Lukk navigasjonsskuff</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV -synkroniseringsadapter</string>
   <string name="navigation_drawer_about">Om / Lisens</string>
   <string name="navigation_drawer_beta_feedback">Tilbakemelding om beta-en</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index a1e035135..9ade1b588 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Bekijken/delen</string>
   <string name="logging_notification_disable">Uitschakelen</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Navigatiemenu openen</string>
-  <string name="navigation_drawer_close">Navigatielmenu sluiten</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Sync adapter</string>
   <string name="navigation_drawer_about">Over / Licentie</string>
   <string name="navigation_drawer_beta_feedback">Beta terugkoppeling</string>
@@ -133,6 +131,8 @@
   <string name="account_list_manage_connections">Verbindingen beheren</string>
   <string name="account_list_datasaver_enabled">Gegevensbesparing ingeschakeld. Synchronisatie op de achtergrond is beperkt.</string>
   <string name="account_list_manage_datasaver">Beheer van gegevensbesparing</string>
+  <string name="account_list_battery_saver_enabled">Batterijbesparing ingeschakeld. Synchronisatie kan beperkt zijn.</string>
+  <string name="account_list_manage_battery_saver">Batterijbesparing beheren</string>
   <string name="account_list_low_storage">Weinig opslagruimte. Android zal lokale wijzigingen niet onmiddellijk synchroniseren, maar tijdens de volgende reguliere synchronisatie.</string>
   <string name="account_list_manage_storage">Opslag beheren</string>
   <string name="account_list_empty">Welkom bij DAVx⁵!\n\nJe kunt nu een CalDAV/CardDAV account toevoegen.</string>
@@ -418,6 +418,7 @@
   <string name="webdav_add_mount_display_name">Weergavenaam</string>
   <string name="webdav_add_mount_url">WebDAV-URL</string>
   <string name="webdav_add_mount_url_invalid">Ongeldige URL</string>
+  <string name="webdav_add_mount_authentication">Authenticatie (optioneel)</string>
   <string name="webdav_add_mount_username">Gebruikersnaam</string>
   <string name="webdav_add_mount_password">Wachtwoord</string>
   <string name="webdav_add_mount_add">Koppeling toevoegen</string>
diff --git a/app/src/main/res/values-pl/strings.xml b/app/src/main/res/values-pl/strings.xml
index 2a289f03e..71fe1c57f 100644
--- a/app/src/main/res/values-pl/strings.xml
+++ b/app/src/main/res/values-pl/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Zobacz/udostępnij</string>
   <string name="logging_notification_disable">Wyłącz</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Otwórz menu nawigacji</string>
-  <string name="navigation_drawer_close">Zamknij menu nawigacji</string>
   <string name="navigation_drawer_subtitle">Adapter synchronizacji CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Informacje/Licencja</string>
   <string name="navigation_drawer_beta_feedback">Przekaż opinię</string>
diff --git a/app/src/main/res/values-pt/strings.xml b/app/src/main/res/values-pt/strings.xml
index 03c341b3c..e204cea69 100644
--- a/app/src/main/res/values-pt/strings.xml
+++ b/app/src/main/res/values-pt/strings.xml
@@ -78,8 +78,6 @@
   <string name="logging_notification_view_share">Ver/partilhar</string>
   <string name="logging_notification_disable">Desativar</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Abrir a gaveta de navegação</string>
-  <string name="navigation_drawer_close">Fechar gaveta de navegação</string>
   <string name="navigation_drawer_subtitle">Sincronização de CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Sobre / Licença</string>
   <string name="navigation_drawer_beta_feedback">Comentários sobre a versão beta</string>
diff --git a/app/src/main/res/values-ro/strings.xml b/app/src/main/res/values-ro/strings.xml
index b15ea73cf..8123a119f 100644
--- a/app/src/main/res/values-ro/strings.xml
+++ b/app/src/main/res/values-ro/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Vizualizare/distribuire</string>
   <string name="logging_notification_disable">Dezactivează</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Deschide sertarul de navigare</string>
-  <string name="navigation_drawer_close">Închide sertarul de navigare</string>
   <string name="navigation_drawer_subtitle">Adaptor de sincronizare CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Despre / Licență</string>
   <string name="navigation_drawer_beta_feedback">Feedback beta</string>
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 568ce4a1e..fe58409c5 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Просмотр/обмен</string>
   <string name="logging_notification_disable">Отключить</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Открыть панель навигации</string>
-  <string name="navigation_drawer_close">Закрыть панель навигации</string>
   <string name="navigation_drawer_subtitle">Адаптер синхронизации CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">О программе / Лицензия</string>
   <string name="navigation_drawer_beta_feedback">Отзыв о бета-тестировании</string>
@@ -133,6 +131,8 @@
   <string name="account_list_manage_connections">Управление подключениями</string>
   <string name="account_list_datasaver_enabled">Экономия трафика включена. Фоновая синхронизация ограничена.</string>
   <string name="account_list_manage_datasaver">Экономия трафика</string>
+  <string name="account_list_battery_saver_enabled">Включена экономия заряда батареи. Синхронизация может быть ограничена.</string>
+  <string name="account_list_manage_battery_saver">Управлять экономией заряда батареи</string>
   <string name="account_list_low_storage">Недостаточно памяти для хранения данных. Android будет синхронизировать локальные изменения не сразу, а во время следующей регулярной синхронизации.</string>
   <string name="account_list_manage_storage">Управление хранилищем</string>
   <string name="account_list_empty">Добро пожаловать в DAVx⁵!\n\nТеперь вы можете добавить аккаунт CalDAV/CardDAV.</string>
@@ -422,6 +422,7 @@
   <string name="webdav_add_mount_display_name">Отображаемое имя</string>
   <string name="webdav_add_mount_url">WebDAV URL</string>
   <string name="webdav_add_mount_url_invalid">Некорректный URL</string>
+  <string name="webdav_add_mount_authentication">Аутентификация (необязательно)</string>
   <string name="webdav_add_mount_username">Имя пользователя</string>
   <string name="webdav_add_mount_password">Пароль</string>
   <string name="webdav_add_mount_add">Добавить точку монтирования</string>
diff --git a/app/src/main/res/values-sk/strings.xml b/app/src/main/res/values-sk/strings.xml
index d5524fd27..899fec3b8 100644
--- a/app/src/main/res/values-sk/strings.xml
+++ b/app/src/main/res/values-sk/strings.xml
@@ -27,8 +27,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">Nie je možné vytvoriť súbor protokolu</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Otvoriť navigačnú zásuvku</string>
-  <string name="navigation_drawer_close">Zatvoriť navigačnú zásuvku</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Sync Adaptér</string>
   <string name="navigation_drawer_about">O programe / Licencia</string>
   <string name="navigation_drawer_beta_feedback">Odozva na beta-verziu</string>
diff --git a/app/src/main/res/values-sl/strings.xml b/app/src/main/res/values-sl/strings.xml
index a3267c738..bcfe44e39 100644
--- a/app/src/main/res/values-sl/strings.xml
+++ b/app/src/main/res/values-sl/strings.xml
@@ -60,8 +60,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">Ni bilo mogoče ustvariti zapisnika</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Odpri navigacijski predal</string>
-  <string name="navigation_drawer_close">Zapri navigacijski predal</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV sinhronizacijski adapter</string>
   <string name="navigation_drawer_about">O aplikaciji / licenca</string>
   <string name="navigation_drawer_beta_feedback">Beta povratne aplikacije</string>
diff --git a/app/src/main/res/values-sr/strings.xml b/app/src/main/res/values-sr/strings.xml
index d0b8e3fad..7657f95bc 100644
--- a/app/src/main/res/values-sr/strings.xml
+++ b/app/src/main/res/values-sr/strings.xml
@@ -100,8 +100,6 @@
   <string name="logging_notification_view_share">Прегледај/подели</string>
   <string name="logging_notification_disable">Онемогући</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Отвори навигациону фиоку</string>
-  <string name="navigation_drawer_close">Затвори навигациону фиоку</string>
   <string name="navigation_drawer_subtitle">КалДАВ/КардДАВ адаптер синхронизације</string>
   <string name="navigation_drawer_about">О програму/лиценца</string>
   <string name="navigation_drawer_beta_feedback">Повратне информације бета издања</string>
diff --git a/app/src/main/res/values-sv/strings.xml b/app/src/main/res/values-sv/strings.xml
index c0da7e948..3abc3e62c 100644
--- a/app/src/main/res/values-sv/strings.xml
+++ b/app/src/main/res/values-sv/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">Visa/dela</string>
   <string name="logging_notification_disable">Inaktivera</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Öppna navigeringslådan</string>
-  <string name="navigation_drawer_close">Stäng navigeringslådan</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Synk Adapter</string>
   <string name="navigation_drawer_about">Om / Licens</string>
   <string name="navigation_drawer_beta_feedback">Betafeedback</string>
diff --git a/app/src/main/res/values-szl/strings.xml b/app/src/main/res/values-szl/strings.xml
index 1c19a285b..44f261747 100644
--- a/app/src/main/res/values-szl/strings.xml
+++ b/app/src/main/res/values-szl/strings.xml
@@ -46,8 +46,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">Niy szło stworzić zbioru dziynnika</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Ôtwōrz myni nawigacyje</string>
-  <string name="navigation_drawer_close">Zawrzij myni nawigacyje</string>
   <string name="navigation_drawer_subtitle">Adapter synchrōnizacyje CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Ô DAVx⁵ / Licyncyjo</string>
   <string name="navigation_drawer_beta_feedback">Przekoż ôpinijo</string>
diff --git a/app/src/main/res/values-tr/strings.xml b/app/src/main/res/values-tr/strings.xml
index b77445c54..48f50cd16 100644
--- a/app/src/main/res/values-tr/strings.xml
+++ b/app/src/main/res/values-tr/strings.xml
@@ -17,8 +17,6 @@
   <string name="about_license_info_no_warranty">Bu uygulama HİÇ BİR GARANTİ ile gelmemektedir. Bedava bir yazılımdır ve belli koşullar altında dağıtabilirsiniz.</string>
   <!--global settings-->
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Navigasyon çekmecesini aç</string>
-  <string name="navigation_drawer_close">Navigasyon çekmecesini kapat</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV Senkronizasyon Adaptörü</string>
   <string name="navigation_drawer_about">Hakkında / Lisans</string>
   <string name="navigation_drawer_settings">Ayarlar</string>
diff --git a/app/src/main/res/values-uk/strings.xml b/app/src/main/res/values-uk/strings.xml
index 9d8341373..58d47c7b6 100644
--- a/app/src/main/res/values-uk/strings.xml
+++ b/app/src/main/res/values-uk/strings.xml
@@ -59,8 +59,6 @@
   <string name="logging_couldnt_create_file">Не вдалося створити файл звіту</string>
   <string name="logging_notification_disable">Вимкнути</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Відкрити панель навігації</string>
-  <string name="navigation_drawer_close">Закрити панель навігації</string>
   <string name="navigation_drawer_subtitle">Адаптер синхронізації CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Про / Ліцензія</string>
   <string name="navigation_drawer_beta_feedback">Beta відгук</string>
diff --git a/app/src/main/res/values-vi/strings.xml b/app/src/main/res/values-vi/strings.xml
index 8e5869e93..0b15aeff5 100644
--- a/app/src/main/res/values-vi/strings.xml
+++ b/app/src/main/res/values-vi/strings.xml
@@ -103,8 +103,6 @@
   <string name="logging_notification_view_share">Xem/chia sẻ</string>
   <string name="logging_notification_disable">Tắt</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">Mở ngăn điều hướng</string>
-  <string name="navigation_drawer_close">Đóng ngăn điều hướng</string>
   <string name="navigation_drawer_subtitle">Đồng bộ CalDAV/CardDAV</string>
   <string name="navigation_drawer_about">Giới thiệu / Giấy phép</string>
   <string name="navigation_drawer_beta_feedback">Phản hồi về bản beta</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 1ed3d0ef1..cdd2b6ae9 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -52,8 +52,6 @@
   <!--global settings-->
   <string name="logging_couldnt_create_file">無法創建事項記錄文檔</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">開啟瀏覽窗格</string>
-  <string name="navigation_drawer_close">關閉瀏覽窗格</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV 同步器</string>
   <string name="navigation_drawer_about">關於我們 / 授權條款</string>
   <string name="navigation_drawer_beta_feedback">為測試版本給回饋意見</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 7e5f3477c..39b6603fa 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -111,8 +111,6 @@
   <string name="logging_notification_view_share">查看/分享</string>
   <string name="logging_notification_disable">禁用</string>
   <!--AccountsActivity-->
-  <string name="navigation_drawer_open">打开导航抽屉</string>
-  <string name="navigation_drawer_close">关闭导航抽屉</string>
   <string name="navigation_drawer_subtitle">CalDAV/CardDAV 同步器</string>
   <string name="navigation_drawer_about">关于 / 许可</string>
   <string name="navigation_drawer_beta_feedback">测试版反馈</string>
@@ -418,6 +416,7 @@
   <string name="webdav_add_mount_display_name">展示名称</string>
   <string name="webdav_add_mount_url">WebDAV URL</string>
   <string name="webdav_add_mount_url_invalid">无效 URL</string>
+  <string name="webdav_add_mount_authentication">身份验证（可选）</string>
   <string name="webdav_add_mount_username">用户名</string>
   <string name="webdav_add_mount_password">密码</string>
   <string name="webdav_add_mount_add">添加 WebDAV 网址</string>